Home / 1,299,307.50-1,948,928.40-352,653.66

Finding the Fourth Proportional to 1,299,307.50, 1,948,928.40 and 352,653.66

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Solution

The fourth proportional to 1,299,307.50, 1,948,928.40 and 352,653.66 is: 528,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,307.50 : 1,948,928.40 = 352,653.66 : x
  2. Step 2: Convert to fraction form
    1,299,307.50/1,948,928.40 = 352,653.66/x
  3. Step 3: Cross multiply
    1,299,307.50x = 1,948,928.40 × 352,653.66
  4. Step 4: Simplify right side
    1,299,307.50x = 687,296,733,337.94
  5. Step 5: Solve for x
    x = 687,296,733,337.94/1,299,307.50
  6. Step 6: Final answer
    x = 528,971.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.